whereby. according to (App-104.) which.
may. can.
knowledge. App-132.
the mystery. i.e. the great secret (Ephesians 5:32). See App-193.
Christ. App-98.
Related Commentaries of Ephesians 3:4
Ephesians 3:4
4 Whereby, when ye read, ye may understand my knowledge in the mystery of Christ)